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Diseases
Epidemiology practice 220: in a population of 1000, disease prevalence is 15%. Approximately how many people are affected?
A. 151
B. 149
C. 152
D. 150
Correct Answer: D
Affected number ≈ population × prevalence/100.
CSS - PMS - CCE - PCS - Everyday Science
Diseases
Epidemiology practice 219: in a population of 2900, disease prevalence is 14%. Approximately how many people are affected?
A. 408
B. 407
C. 406
D. 405
Correct Answer: C
Affected number ≈ population × prevalence/100.
CSS - PMS - CCE - PCS - Everyday Science
Diseases
Epidemiology practice 218: in a population of 2800, disease prevalence is 13%. Approximately how many people are affected?
A. 364
B. 363
C. 366
D. 365
Correct Answer: A
Affected number ≈ population × prevalence/100.
CSS - PMS - CCE - PCS - Everyday Science
Diseases
Epidemiology practice 217: in a population of 2700, disease prevalence is 12%. Approximately how many people are affected?
A. 326
B. 323
C. 324
D. 325
Correct Answer: C
Affected number ≈ population × prevalence/100.
CSS - PMS - CCE - PCS - Everyday Science
Diseases
Epidemiology practice 216: in a population of 2600, disease prevalence is 11%. Approximately how many people are affected?
A. 286
B. 287
C. 288
D. 285
Correct Answer: A
Affected number ≈ population × prevalence/100.
CSS - PMS - CCE - PCS - Everyday Science
Diseases
Epidemiology practice 215: in a population of 2500, disease prevalence is 10%. Approximately how many people are affected?
A. 252
B. 249
C. 250
D. 251
Correct Answer: C
Affected number ≈ population × prevalence/100.
CSS - PMS - CCE - PCS - Everyday Science
Diseases
Epidemiology practice 214: in a population of 2400, disease prevalence is 9%. Approximately how many people are affected?
A. 215
B. 216
C. 217
D. 218
Correct Answer: B
Affected number ≈ population × prevalence/100.
CSS - PMS - CCE - PCS - Everyday Science
Diseases
Epidemiology practice 213: in a population of 2300, disease prevalence is 8%. Approximately how many people are affected?
A. 185
B. 184
C. 186
D. 183
Correct Answer: B
Affected number ≈ population × prevalence/100.
CSS - PMS - CCE - PCS - Everyday Science
Diseases
Epidemiology practice 212: in a population of 2200, disease prevalence is 7%. Approximately how many people are affected?
A. 155
B. 156
C. 154
D. 153
Correct Answer: C
Affected number ≈ population × prevalence/100.
CSS - PMS - CCE - PCS - Everyday Science
Diseases
Epidemiology practice 211: in a population of 2100, disease prevalence is 6%. Approximately how many people are affected?
A. 125
B. 126
C. 127
D. 128
Correct Answer: B
Affected number ≈ population × prevalence/100.
CSS - PMS - CCE - PCS - Everyday Science
Diseases
Epidemiology practice 210: in a population of 2000, disease prevalence is 5%. Approximately how many people are affected?
A. 101
B. 99
C. 100
D. 102
Correct Answer: C
Affected number ≈ population × prevalence/100.
CSS - PMS - CCE - PCS - Everyday Science
Diseases
Epidemiology practice 209: in a population of 1900, disease prevalence is 34%. Approximately how many people are affected?
A. 647
B. 646
C. 648
D. 645
Correct Answer: B
Affected number ≈ population × prevalence/100.
CSS - PMS - CCE - PCS - Everyday Science
Diseases
Epidemiology practice 208: in a population of 1800, disease prevalence is 33%. Approximately how many people are affected?
A. 595
B. 594
C. 596
D. 593
Correct Answer: B
Affected number ≈ population × prevalence/100.
CSS - PMS - CCE - PCS - Everyday Science
Diseases
Epidemiology practice 207: in a population of 1700, disease prevalence is 32%. Approximately how many people are affected?
A. 546
B. 545
C. 543
D. 544
Correct Answer: D
Affected number ≈ population × prevalence/100.
CSS - PMS - CCE - PCS - Everyday Science
Diseases
Epidemiology practice 206: in a population of 1600, disease prevalence is 31%. Approximately how many people are affected?
A. 497
B. 495
C. 498
D. 496
Correct Answer: D
Affected number ≈ population × prevalence/100.
CSS - PMS - CCE - PCS - Everyday Science
Diseases
Epidemiology practice 205: in a population of 1500, disease prevalence is 30%. Approximately how many people are affected?
A. 451
B. 449
C. 450
D. 452
Correct Answer: C
Affected number ≈ population × prevalence/100.
CSS - PMS - CCE - PCS - Everyday Science
Diseases
Epidemiology practice 204: in a population of 1400, disease prevalence is 29%. Approximately how many people are affected?
A. 407
B. 408
C. 405
D. 406
Correct Answer: D
Affected number ≈ population × prevalence/100.
CSS - PMS - CCE - PCS - Everyday Science
Diseases
Epidemiology practice 203: in a population of 1300, disease prevalence is 28%. Approximately how many people are affected?
A. 364
B. 366
C. 363
D. 365
Correct Answer: A
Affected number ≈ population × prevalence/100.
CSS - PMS - CCE - PCS - Everyday Science
Diseases
Epidemiology practice 202: in a population of 1200, disease prevalence is 27%. Approximately how many people are affected?
A. 323
B. 325
C. 326
D. 324
Correct Answer: D
Affected number ≈ population × prevalence/100.
CSS - PMS - CCE - PCS - Everyday Science
Diseases
Epidemiology practice 201: in a population of 1100, disease prevalence is 26%. Approximately how many people are affected?
A. 288
B. 287
C. 285
D. 286
Correct Answer: D
Affected number ≈ population × prevalence/100.